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A012293 sec(sin(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+25/4!*x^4+140/5!*x^5... 0
1, 0, 1, 6, 25, 140, 1177, 10738, 104977, 1188120, 15191889, 211088350, 3187087209, 52357837220, 926871127977, 17553084005322, 354581844112801, 7614153761167920, 173108509344647457, 4153655608324341686 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

MATHEMATICA

With[{nn=20}, CoefficientList[Series[Sec[Sin[x]Exp[x]], {x, 0, nn}], x] Range[0, nn]!] (* From Harvey P. Dale, Jan 14 2012 *)

CROSSREFS

Sequence in context: A188207 A082430 A136593 * A012594 A200375 A009464

Adjacent sequences:  A012290 A012291 A012292 * A012294 A012295 A012296

KEYWORD

nonn

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 14 00:21 EST 2012. Contains 205567 sequences.